2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-bromobenzoic acid → (S)-2-[2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-bromo-benzoylamino]-3-(3-bromo-4-fluoro-phenyl)-propionic acid

HRID 1593908Notes

Reaction equation

HRID 1593908 reaction equation
Cl.C[O:3][C:4](=[O:16])[C@H:5]([CH2:7][C:8]1[CH:13]=[CH:12][C:11]([F:14])=[C:10]([Br:15])[CH:9]=1)[NH2:6].[N:17]1[S:21][N:20]=[C:19]2[C:22]([S:26]([NH:29][C:30]3[CH:38]=[C:37]([Br:39])[CH:36]=[CH:35][C:31]=3[C:32](O)=[O:33])(=[O:28])=[O:27])=[CH:23][CH:24]=[CH:25][C:18]=12>>[N:17]1[S:21][N:20]=[C:19]2[C:22]([S:26]([NH:29][C:30]3[CH:38]=[C:37]([Br:39])[CH:36]=[CH:35][C:31]=3[C:32]([NH:6][C@@H:5]([CH2:7][C:8]3[CH:13]=[CH:12][C:11]([F:14])=[C:10]([Br:15])[CH:9]=3)[C:4]([OH:3])=[O:16])=[O:33])(=[O:28])=[O:27])=[CH:23][CH:24]=[CH:25][C:18]=12

Participants

3

Reactant 2

HCID 160907442-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-bromobenzoic acidHCID 68768499(S)-2-amino-3-(3-bromo-4-fluoro-phenyl)-propionic acid methyl ester hydrochloride

Product 1

HCID 45486976(S)-2-[2-(Benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-bromo-benzoylamino]-3-(3-bromo-4-fluoro-phenyl)-propionic acid

Procedure

The title compound was prepared from 3-bromo-4-fluoro-L-phenylalanine methyl ester hydrochloride and 2-(benzo[1,2,5]thiadiazole-4-sulfonylamino)-4-bromo-benzoic acid as in Example 1, Part C, followed by hydrolysis of the resulting methyl ester as in EXAMPLE 2, Part E. HPLC: RT=9.75 min. MS (ESI−): mass calcd. for C22H15Br2FN4O5S2, 658.32; m/z found, 655/657/659 [M−H]−. 1H NMR (400 MHz, acetone-d6): 11.76 (s, 1H), 8.46-8.41 (m, 1H), 8.32-8.27 (m, 1H), 8.16-8.09 (m, 1H), 7.93-7.82 (m, 2H), 7.66-7.60 (m, 1H), 7.53-7.47 (m, 1H), 7.41-7.34 (m, 1H), 7.24-7.11 (m, 2H), 4.95-4.86 (m, 1H), 3.39-3.31 (m, 1H), 3.21-3.12 (m, 1H).

Sources & evidence

ORD record
ord-c22dde098c5447c7b9465e31ea4b5483
Source dataset
uspto-grants-2007_11
Patent number
US07297816B2

Reaction notes

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